18．直接写出得数
0 137978 137986 137992 137996 138002 138004 138008 138014 138016 138022 138028 138032 138034 138038 138044 138046 138052 138056 138058 138062 138064 138068 138070 138072 138073 138074 138076 138077 138078 138080 138082 138086 138088 138092 138094 138098 138104 138106 138112 138116 138118 138122 138128 138134 138136 138142 138146 138148 138154 138158 138164 138172 199269
| 3.8+6.2= | 8.1÷3×2= | $\frac{5}{11}×33$= | 568-198= |
| $1÷\frac{3}{8}$= | $\frac{3}{4}-\frac{2}{3}$= | 0.65÷1.3= | $48×（\frac{1}{4}-\frac{1}{6}）$= |
| 75×10%= | $\frac{2}{5}+\frac{3}{5}×2$= |